bcache: Fix to remove the rcu_sched stalls.

while loop was executing infinitely.
This fix ends the while loop gracefully.

Signed-off-by: Surbhi Palande <sap@daterainc.com>
Signed-off-by: Kent Overstreet <kmo@daterainc.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index 363b88131f01..ead001c9bed8 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -194,7 +194,8 @@ int bch_journal_read(struct cache_set *c, struct list_head *list)
                         continue;
 bsearch:
                 /* Binary search */
-                m = r = find_next_bit(bitmap, ca->sb.njournal_buckets, l + 1);
+                m = l;
+                r = find_next_bit(bitmap, ca->sb.njournal_buckets, l + 1);
                 pr_debug("starting binary search, l %u r %u", l, r);
 
                 while (l + 1 < r) {